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Finding the Fourth Proportional to 471,004.80, 706,550.40 and 155,462.40

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Solution

The fourth proportional to 471,004.80, 706,550.40 and 155,462.40 is: 233,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,004.80 : 706,550.40 = 155,462.40 : x
  2. Step 2: Convert to fraction form
    471,004.80/706,550.40 = 155,462.40/x
  3. Step 3: Cross multiply
    471,004.80x = 706,550.40 × 155,462.40
  4. Step 4: Simplify right side
    471,004.80x = 109,842,020,904.96
  5. Step 5: Solve for x
    x = 109,842,020,904.96/471,004.80
  6. Step 6: Final answer
    x = 233,207.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.